VEGA Capacitive electrodes EK Profibus PA - Manual (Page 10)

10 Capacitive electrodes EK - Profibus PA
3
2
1
EK 21 up to 6 bar
temperature
adapter
EK 24:
from 100°C 6 bar,
max. 150°C for
30 min.
Product description
PE PTFE FEP
Product temperature 1) and operating
pressure 1)
The numbers in the table all relate to the
graphs on this page. The stated pressures
are valid for screw connections G ¾ A,
¾" NPT, G 1 A, 1" NPT. When using flanged
versions, make sure to note their nominal
pressures. All electrodes are also suitable for
applications in a vacuum (- 1 bar).
For electrodes certified for Ex zone 0, only
PTFE and FEP are approved as insulating
materials.
Mechanical connection, 1.4571
Insulation
Electrode type
EK 11 1 3 -
EK 21 1 3 -
EK 21 with flange - 2 -
EK 24 - - 2
EK 31 1 3 -
1) For Ex applications, the permissible temperatures and pressures stated in the certificate must be noted. In
addition, please observe the table on the following page.
0 -30 60 80
40
bar
˚C
16
0 -50 100
63
˚C
bar
0 -50 100
63
200 ˚C
bar
25